From 2c1d8a90d567d65ac044b2feaf2ee886318247ec Mon Sep 17 00:00:00 2001
From: Caleb Norton <n0603919@outlook.com>
Date: Tue, 24 Mar 2026 13:06:46 -0500
Subject: [PATCH] fix: nix hash update parsing... again (#18989)

---
 .github/workflows/nix-hashes.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/nix-hashes.yml b/.github/workflows/nix-hashes.yml
index 47385d20c6..9d94682f11 100644
--- a/.github/workflows/nix-hashes.yml
+++ b/.github/workflows/nix-hashes.yml
@@ -56,7 +56,7 @@ jobs:
           nix build ".#packages.${SYSTEM}.node_modules_updater" --no-link 2>&1 | tee "$BUILD_LOG" || true
 
           # Extract hash from build log with portability
-          HASH="$(grep -oP 'got:\s*\Ksha256-[A-Za-z0-9+/=]+' "$BUILD_LOG" | tail -n1 || true)"
+          HASH="$(nix run --inputs-from . nixpkgs#gnugrep -- -oP 'got:\s*\Ksha256-[A-Za-z0-9+/=]+' "$BUILD_LOG" | tail -n1 || true)"
 
           if [ -z "$HASH" ]; then
             echo "::error::Failed to compute hash for ${SYSTEM}"